The JavaScript SDK articles on Uploading Files and Downloading Files have been updated to cover the new files.upload and files.download JavaScript SDK methods that wrap the homonymous Apache Cordova File Transfer plugin API functions

Cache-related methods and options have been added to the API Reference

New articles explaining what is Master Key authentication and how to use it have been added to these SDKs:

Development > RESTful API > Security > Master Key Authentication

Development > JavaScript SDK > Security > Master Key Authentication

Development > .NET SDK > Security > Master Key Authentication

Development > Android SDK > Security > Master Key Authentication

New Articles on Verifying a User Account and Recovering a User Account have been added to these SDKs:

Development > .NET SDK > Users > Account Verification

Development > .NET SDK > Users > Recover a User Account

Development > Android SDK > Users > Account Verification

Development > Android SDK > Users > Recover a User Account

Information on changing a user password using Master Key authentication has been added to the following articles:

Development > RESTful API > Users > Change User Password

Development > JavaScript SDK > Users > Change User Password

The Email Notifications articles have been reorganized:

All articles have been updated for easier access to the information. These include:

All articles in Features > Email Notifications

All articles in Development > RESTful API > Email Templates

A section Creating Separate HTML Tags for Array Items has been added to Using Placeholders

A number of small improvements and corrections in API Reference > JavaScript SDK

A new section Using a Secret Question and Answer Pair has been added to Development > RESTful API > Users > Recover a User Account.

The authentication token persisting example in Integrating User Management into a Hybrid or Web App has been updated to use the new persist and onAuthenticationRequired Everlive constructor parameters.

Added an example of dynamically including HTML in email templates. See RESTful API > Send Email.

Setting Up Data Link Server on Windows and Setting Up Data Link Server on Linux have been updated:

Added instructions for updating the Data Link Server on Windows and Linux

Added instructions for SSL-enabling the Data Link Server on Windows and Linux

The relation expansion coverage has been rewritten, bringing these improvements:

The articles introduces the TargetTypeName expand expression option. Using this option instead of creating fields of type Relation in your content types ensures that your application is compatible with Offline Mode should you decide to enable it.

Information on how to set a custom icon for push notifications on Android has been added to the Sending Push Notifications articles in RESTful API, JavaScript SDK, and .NET SDK.

New Getting Started articles:

Integrating User Management into a Native iOS App

Integrating User Management into a Native Android App

Integrating User Management into a Native Windows Phone App

New article Development > JavaScript SDK > Handling Push Notifications in a Hybrid App that explains the specifics of handling pending OS events for received push notifications in a hybrid app.

New section Troubleshooting that lists common stumbling-blocks and known issues. Currently it contains the following articles:

iOS: Common Reasons for Failing Push Notifications

Android: Common Reasons for Failing Push Notifications

Information on how to set a custom sound for push notifications on iOS and Android has been added to the Sending Push Notifications articles in RESTful API, JavaScript SDK, and .NET SDK.

New Getting Started articles:

Integrating Responsive Images into a Native Windows Phone App

Integrating Responsive Images into a Native iOS App

Integrating Responsive Images into a Native Android App

Working with Files in a Native Windows Phone App

Working with Files in a Native iOS App

Working with Files in a Native Android App

An introductory article has been added to each Getting Started folder

A number of smaller improvements and corrections in Implementing Cloud Functions, Sending Email Notifications, Working with Files in a Hybrid App, and Managing Cloud Files in the Portal

API Reference > JavaScript SDK has a new JavaScript SDK Overview page that lists all classes and their members in one place

New article Features > User Management > Social Authentication that:

Provides conceptual information about integrating social login in your app

Combines information that was previously located in each API/SDK Development section, which lets these sections focus exclusively on implementation details

New article Features > User Management > Usernames and Passwords that highlights important aspects of working with usernames and passwords in User Management

Development > .NET SDK > Content > Date and Time Handling has been updated to clarify how date and time values are stored on the server and how to use the behavior-changing properties

New Getting Started articles:

Enabling Responsive Images in Backend Services

Integrating Responsive Images Into an Existing Website or Hybrid App

Managing Cloud Files in the Portal

Working with Files in a Hybrid App

Features > Users
The article, which is now titled User Management, has been completely reworked to feature more information and links to related topics.

Development > JavaScript SDK > Push Notifications > Registering a Device for Push Notifications
The Default Value information has been removed from the table in Registration Settings because Backend Services does not actually have default values for these settings.

Development > Cloud Code > Cloud Functions > Defining Cloud Functions
An example has been added to help understand how to return a custom response type in Cloud Functions.

A note has been included in several articles to the effect that the user role cannot be changed on user registration unless Master Key authentication is used.